<div class=".content-background">
  <h4 class="mb-3">1.rows 默认类型</h4>
  <ti-skeleton class="content-skeleton" id="skeleton-type-rows"></ti-skeleton>
  <h4 class="mb-3">2.block 类型</h4>
  <ti-skeleton class="content-skeleton" id="skeleton-type-block" type="block"></ti-skeleton>
</div>
